21772008

素因数分解:

$2^3\times 3^2\times {\mathrm{71}}^1\times {\mathrm{4259}}^1$

素因数の和:4342

約数の個数: 48

約数和(自身を含む): 59810400

約数和(自身を除く): 38038392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 71, 72, 142, 213, 284, 426, 568, 639, 852, 1278, 1704, 2556, 4259, 5112, 8518, 12777, 17036, 25554, 34072, 38331, 51108, 76662, 102216, 153324, 302389, 306648, 604778, 907167, 1209556, 1814334, 2419112, 2721501, 3628668, 5443002, 7257336, 10886004, 21772008]

約数ペア:

[(1, 21772008), (2, 10886004), (3, 7257336), (4, 5443002), (6, 3628668), (8, 2721501), (9, 2419112), (12, 1814334), (18, 1209556), (24, 907167), (36, 604778), (71, 306648), (72, 302389), (142, 153324), (213, 102216), (284, 76662), (426, 51108), (568, 38331), (639, 34072), (852, 25554), (1278, 17036), (1704, 12777), (2556, 8518), (4259, 5112)]